Key points from article :
By 2041, women will live to 86.2 years and men 83.4 years.
Decrease of almost a whole year compared to previous figures released in 2015.
Residents in former mining towns and isolated rural areas saw the biggest fall.
London and the southeast continued to see a rise in longevity.
Life expectany of small populations is subject to more fluctuations from year to year.
The study was published in the British Medical Journal Open.
